GRE Problem Solving Question 759

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Source: PP2

A rectangular game board is composed of identical squares arranged in a rectangular array of r rows and r+1 columns.The r rows are numbered from 1 through r,and the r+1 columns are numbered from 1 through r+1. If r>10,which of the following represents the number of squares on the board that are neither in the 4th row nor in the 7th column?

  • A
  • B
  • C
  • D
  • E

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